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Lake Bohinj — Current Water Temperature, Annual Trends and Forecast

This page provides information on the current water temperature in Lake Bohinj, trends, monthly ranges and the forecast for the coming days.

Lake Bohinj, Slovenia
Lake Bohinj, Slovenia © By Vid Pogacnik, CC BY-SA 4.0

Current Water Temperature

13.0°C
Today
13.1°C
Yesterday
13.0°C
A Week Ago
Get instant access to real-time water temperatures for this and all other locations with our iOS and Android apps.

Water Temperature in Lake Bohinj today is 13°C.

Water Temperature: Daily Trends, Historical Records, and Forecast

⚠️ As of today, the minimum water temperature ranges from 54°F (12°C) to 60°F (15°C). The water is significantly warmer, and swimming becomes possible for most people. However, caution may still be required for prolonged stays in the water, as extended exposure can cause discomfort. This is a suitable temperature range for short swims and for those accustomed to cooler water. For more comfortable swimming, it is recommended to use proper gear. It is important to note that these swimming tips and recommendations apply only in good weather. When the air temperature is below 68°F (20°C), and sometimes even below 77°F (25°C), swimming can be unpleasant even with relatively high water temperatures.

Water Temperature Chart Over the Last 30 Days

From September 11 to October 12

Table of Daily Sea Temperature Data

Date Current Average Forecast
OCT 513.0°C13.0°C
OCT 612.6°C13.0°C
OCT 712.3°C13.0°C
OCT 812.7°C13.0°C
OCT 912.9°C13.0°C
OCT 1013.0°C13.0°C
OCT 1113.1°C13.0°C
OCT 1212.8°C13.0°C
OCT 1313.0°C13.0°C
OCT 1413.0°C13.0°C
OCT 1513.0°C13.0°C
OCT 1613.0°C13.0°C
OCT 1713.0°C13.0°C
OCT 1813.0°C13.0°C
OCT 1913.0°C13.0°C

* Current - Actual water temperature value

** Average - Average water temperature on this day in recent years

*** Forecast - Our water temperature forecast

Actual nearshore water temperatures may fluctuate by several degrees from the reported values, especially following heavy rainfall or extended periods of strong winds. Certain wind patterns can cause colder, deeper waters to rise and replace the sun-warmed surface water, leading to noticeable variations.

Our forecast is based on a proprietary mathematical model that considers real-time water temperature changes, historical trends, key weather patterns, wind strength and direction, and air temperature specific to each region. Additionally, we incorporate data from other resorts to enhance accuracy.

Monthly Water Temperature Range (Min, Max & Average)

Month Min Avg Max
January2°C6°C9°C
February2°C6°C9°C
March4°C8°C11°C
April6°C11°C15°C
May8°C14°C20°C
June12°C19°C26°C
July16°C22°C27°C
August16°C22°C27°C
September13°C19°C24°C
October9°C13°C17°C
November5°C9°C12°C
December2°C6°C9°C

Lake Bohinj: Water Temperature by Location

Lake Bohinj: Weather Forecast

October 13

° / °
fog
rain: 3% | wind:

October 14

° / °
slight rain
rain: 5% | wind:

October 15

° / °
fog
rain: 0% | wind:

October 16

° / °
fog
rain: 3% | wind:

October 17

° / °
fog
rain: 14% | wind:

Location & Local Information

Lake Bohinj (Bohinjsko jezero) is the largest natural lake in Slovenia, located in the heart of the Julian Alps. Despite its alpine setting, the water warms up pleasantly in summer. From June to September, the surface temperature usually ranges between 20–24°C, and during hot spells it can even rise to 25°C. In spring and autumn, however, the lake is much cooler, often between 10–15°C, while in winter it stays just a few degrees above freezing.

Because of these conditions, Bohinj is very popular for swimming and other water activities. There are several natural bathing areas along its shores, and the water is clear and inviting. Families, swimmers, and even kayakers find it a comfortable place during summer, though outside of the warm season only the more adventurous go in for a quick dip.

Nearby Lakes

Frequently Asked Questions

What is the current water temperature in Lake Bohinj?
Water Temperature in Lake Bohinj today is 13°C.
What is the water temperature in Lake Bohinj during the summer months?
The water temperature in Lake Bohinj in summer fluctuates in the range of 12°C - 27°C.
Is it possible to swim in Lake Bohinj (Slovenia) and what are the possibilities for this?
Yes—Lake Bohinj is swim-friendly: its clear, often chilly Alpine water can be enjoyed from several official beaches and informal shore spots with seasonal facilities and services, and you can also kayak, paddleboard or dive there, though temperatures stay low outside summer and visitors should respect local regulations and protected-area rules.